Home / 623,389.76-859,878.96-432,333.44

Finding the Fourth Proportional to 623,389.76, 859,878.96 and 432,333.44

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Solution

The fourth proportional to 623,389.76, 859,878.96 and 432,333.44 is: 596,343.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,389.76 : 859,878.96 = 432,333.44 : x
  2. Step 2: Convert to fraction form
    623,389.76/859,878.96 = 432,333.44/x
  3. Step 3: Cross multiply
    623,389.76x = 859,878.96 × 432,333.44
  4. Step 4: Simplify right side
    623,389.76x = 371,754,428,760.42
  5. Step 5: Solve for x
    x = 371,754,428,760.42/623,389.76
  6. Step 6: Final answer
    x = 596,343.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.